Don't just replay it. Break it down.
You just replayed Andrew L Mack vs Harry Posner. On CipherChess, the same board opens up any game — check every move against the engine, prep the players you're about to face, and keep it all in one place that follows you everywhere.
See it for yourselfAbout this chess game
This chess game between Andrew L Mack (2335) and Harry Posner (1905) was played at North American Open in 1970 and finished 0-1. The opening was the Ruy Lopez: Closed, Yates Variation (C91).
You can replay the full game move by move on the interactive board above, or open it on the CipherChess analysis board to study every move with the Stockfish engine.
Looking for more Andrew L Mack games or Harry Posner games? This Andrew L Mack vs Harry Posner encounter is one of millions of chess games indexed in the CipherChess mega database. Browse both players' full records, the openings they play most, and head-to-head results, then load any game onto the board to prepare your own lines against the Ruy Lopez: Closed, Yates Variation.
Frequently asked questions
Who won Andrew L Mack vs Harry Posner?
Andrew L Mack vs Harry Posner (1970) finished 0-1, a win for Harry Posner.
What opening was played in Andrew L Mack vs Harry Posner?
The game opened with the Ruy Lopez: Closed, Yates Variation (ECO C91).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Andrew L Mack vs Harry Posner, or open it on the CipherChess analysis board to review it with the Stockfish engine.